Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2019   06:38:26   (   0.00, -75.20) (   0.60, -77.98)  316.14                80
 03/18/2019   06:17:01   (   0.00, -75.20) (  -0.40, -73.44)  200.68                80
 03/19/2019   18:38:56   (  -0.00, -75.20) (  -0.80, -78.74)  402.89                80
 03/20/2019   18:22:50   (  -0.00, -75.21) (   0.20, -74.20)  114.51                80
 03/22/2019   06:44:38   (   0.00, -75.22) (   0.93, -79.47)  483.99                80
 03/23/2019   06:23:12   (   0.00, -75.23) (  -0.07, -74.94)   33.73                80
 03/25/2019   18:26:22   (  -0.00, -75.26) (  -0.12, -75.70)   50.61                80
 03/26/2019   18:10:18   (   0.00, -75.28) (   0.94, -71.18)  467.70                80
 03/28/2019   06:32:04   (  -0.00, -75.30) (   0.25, -76.44)  129.60                80
 03/29/2019   06:10:38   (  -0.00, -75.32) (  -0.75, -71.90)  388.86                80